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In the case of fuzzy strength and fuzzy stress, it is difficult to obtain the accuracy fuzzy reliability since the membership function of fuzzy safety event is not known. A method for calculating the bounds of fuzzy reliability is proposed to determine this problem. Firstly, fuzzy strength and fuzzy stress are remodeled into random sets. Then, the limit state function of a structure with fuzzy strength...
In order to solve the problem that the membership functions of traditional fuzzy control are difficult to be determined, a new method (fuzzy network) of fuzzy control is proposed. Fuzzy network adopted the network structure in which the membership functions, control rules, fuzzy reasoning and defuzzification process are included. Compared with the fuzzy neural network, fuzzy network don't need learning...
A new image segmentation method based on three-dimensional fuzzy partition Renyi entropy was presented. First, on the basis of the theory of fuzzy partition, the fuzzy partition Renyi entropy was defined by using conditional probability and conditional entropy. ACO was used to obtain the optimal parameters to segmentation . The effectiveness of the proposed approach was demonstrated to real vision...
Evaluation of groundwater environment carrying capacity is a multi-objective, multi-criteria and multi-level comprehensive issue. Evaluation index system of groundwater environment carrying capacity was built and divided into some subsystems in accordance with each index's inherent stratification link. Every index's effect on carrying capacity system was obtained by normalization operations catastrophe-based,...
The conceptual design is the first step of product designing process, it decides the technology economic effect of product radically. The goal of conceptual design is to match the product function with its structure, but the complex relationship between function and structure is a difficult problem in the conceptual design. So a corresponding solution is proposed in the paper. This method is proposed...
This text put forwards a new arithmetic for image fusion based on fuzzy wavelet transform. Its basic ideal is: first carry on wavelet transform of the image, then acquire low-frequency component and high-component. In the process of fusion, adopts a weighted average method to carry on fusion to the low-frequency component; For the high-frequency component, makes use of fuzzy set of image, and looks...
More and more intrusion detection systems were developed, but most of these systems have very poor accuracy. To overcome this problem, a self-adaptive anomaly detection system was developed using fuzzy detection anomaly algorithm with negative selection of biology. The algorithm improves the accuracy of the detection method and produces a novel method to measure the deviation from the normal that...
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